Home / 1,258,517.45-1,736,745.18-685,557.65

Finding the Fourth Proportional to 1,258,517.45, 1,736,745.18 and 685,557.65

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Solution

The fourth proportional to 1,258,517.45, 1,736,745.18 and 685,557.65 is: 946,064.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,517.45 : 1,736,745.18 = 685,557.65 : x
  2. Step 2: Convert to fraction form
    1,258,517.45/1,736,745.18 = 685,557.65/x
  3. Step 3: Cross multiply
    1,258,517.45x = 1,736,745.18 × 685,557.65
  4. Step 4: Simplify right side
    1,258,517.45x = 1,190,638,944,249.63
  5. Step 5: Solve for x
    x = 1,190,638,944,249.63/1,258,517.45
  6. Step 6: Final answer
    x = 946,064.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.